global class GlobalFunction
{
    public static String Str1;
    public static Integer Int1;
    public static Decimal Dec1;
     
    webService static string getString(String value) {
        Str1 = value;
        return 'bb';
    }
    webService static void getInteger(Integer value){
        Int1 = value;
    }
    webService static void getDecimal(Decimal value) {
        Dec1 = value;
    }    
}